CrazyDrill Cool XL is a tungsten carbide drill for drilling quickly and accurately depths up to 40 x d in one step. The carbide drill for steel, high-alloy steels, cast iron, stainless steels, aluminum alloys and titanium is universally applicable for many materials and is used especially in the area of deep-hole drilling, for example, medical technology, automotive engineering, injection technology, die making and injection molding, mechanical engineering and implants.